{"id":507312,"date":"2018-08-09T12:45:56","date_gmt":"2018-08-09T16:45:56","guid":{"rendered":"https:\/\/ntrs.nasa.gov\/search.jsp?R=20180003238"},"modified":"2018-08-09T12:45:56","modified_gmt":"2018-08-09T16:45:56","slug":"alma-mapping-of-rapid-gas-and-dust-variations-in-comet-c2012-s1-ison-new-insights-into-the-origin-of-cometary-hnc","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=507312","title":{"rendered":"ALMA Mapping of Rapid Gas and Dust Variations in Comet C\/2012 S1 (ISON): New Insights into the Origin of Cometary HNC"},"content":{"rendered":"<p>Abstract: Observations of the sungrazing comet C\/2012 S1 (ISON) were carried out using the Atacama Large Millimeter\/submillimeter Array at a heliocentric distance of 0.58-0.54 AU (Astronomical Units) (pre-perihelion) on 2013 November 16-17. Temporally resolved measurements of the coma distributions of HNC, CH3OH, H2CO, and dust were obtained over the course of about an hour on each day. During the period UT 10:10-11:00 on November 16, the comet displayed a remarkable drop in activity, manifested as a g&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Observations of the sungrazing comet C\/2012 S1 (ISON) were carried out using the Atacama Large Millimeter\/submillimeter Array at a heliocentric distance of 0.58-0.54 AU (Astronomical Units) (pre-perihelion) on 2013 November 16-17. Temporally &#8230;<\/p>\n","protected":false},"author":60,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-507312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/507312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/60"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=507312"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/507312\/revisions"}],"predecessor-version":[{"id":507313,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/507312\/revisions\/507313"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=507312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=507312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=507312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}